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<a name="1" href="#1">1</a>   <em class="comment">/*</em>
<a name="2" href="#2">2</a>   <em class="comment"> * $Header$</em>
<a name="3" href="#3">3</a>   <em class="comment"> * $Revision: 1337 $</em>
<a name="4" href="#4">4</a>   <em class="comment"> * $Date: 2008-12-02 17:58:10 -0800 (Tue, 02 Dec 2008) $</em>
<a name="5" href="#5">5</a>   <em class="comment"> *</em>
<a name="6" href="#6">6</a>   <em class="comment"> * ====================================================================</em>
<a name="7" href="#7">7</a>   <em class="comment"> *</em>
<a name="8" href="#8">8</a>   <em class="comment"> * Copyright 2000-2002 bob mcwhirter &amp; James Strachan.</em>
<a name="9" href="#9">9</a>   <em class="comment"> * All rights reserved.</em>
<a name="10" href="#10">10</a>  <em class="comment"> *</em>
<a name="11" href="#11">11</a>  <em class="comment"> *</em>
<a name="12" href="#12">12</a>  <em class="comment"> * Redistribution and use in source and binary forms, with or without</em>
<a name="13" href="#13">13</a>  <em class="comment"> * modification, are permitted provided that the following conditions are</em>
<a name="14" href="#14">14</a>  <em class="comment"> * met:</em>
<a name="15" href="#15">15</a>  <em class="comment"> * </em>
<a name="16" href="#16">16</a>  <em class="comment"> *   * Redistributions of source code must retain the above copyright</em>
<a name="17" href="#17">17</a>  <em class="comment"> *     notice, this list of conditions and the following disclaimer.</em>
<a name="18" href="#18">18</a>  <em class="comment"> * </em>
<a name="19" href="#19">19</a>  <em class="comment"> *   * Redistributions in binary form must reproduce the above copyright</em>
<a name="20" href="#20">20</a>  <em class="comment"> *     notice, this list of conditions and the following disclaimer in the</em>
<a name="21" href="#21">21</a>  <em class="comment"> *     documentation and/or other materials provided with the distribution.</em>
<a name="22" href="#22">22</a>  <em class="comment"> * </em>
<a name="23" href="#23">23</a>  <em class="comment"> *   * Neither the name of the Jaxen Project nor the names of its</em>
<a name="24" href="#24">24</a>  <em class="comment"> *     contributors may be used to endorse or promote products derived </em>
<a name="25" href="#25">25</a>  <em class="comment"> *     from this software without specific prior written permission.</em>
<a name="26" href="#26">26</a>  <em class="comment"> * </em>
<a name="27" href="#27">27</a>  <em class="comment"> * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS</em>
<a name="28" href="#28">28</a>  <em class="comment"> * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED</em>
<a name="29" href="#29">29</a>  <em class="comment"> * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A</em>
<a name="30" href="#30">30</a>  <em class="comment"> * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER</em>
<a name="31" href="#31">31</a>  <em class="comment"> * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,</em>
<a name="32" href="#32">32</a>  <em class="comment"> * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,</em>
<a name="33" href="#33">33</a>  <em class="comment"> * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR</em>
<a name="34" href="#34">34</a>  <em class="comment"> * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF</em>
<a name="35" href="#35">35</a>  <em class="comment"> * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING</em>
<a name="36" href="#36">36</a>  <em class="comment"> * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS</em>
<a name="37" href="#37">37</a>  <em class="comment"> * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</em>
<a name="38" href="#38">38</a>  <em class="comment"> *</em>
<a name="39" href="#39">39</a>  <em class="comment"> * ====================================================================</em>
<a name="40" href="#40">40</a>  <em class="comment"> * This software consists of voluntary contributions made by many</em>
<a name="41" href="#41">41</a>  <em class="comment"> * individuals on behalf of the Jaxen Project and was originally</em>
<a name="42" href="#42">42</a>  <em class="comment"> * created by bob mcwhirter &lt;bob@werken.com> and</em>
<a name="43" href="#43">43</a>  <em class="comment"> * James Strachan &lt;jstrachan@apache.org>.  For more information on the</em>
<a name="44" href="#44">44</a>  <em class="comment"> * Jaxen Project, please see &lt;<a href="http://www.jaxen.org/" target="alexandria_uri">http://www.jaxen.org/</a>>.</em>
<a name="45" href="#45">45</a>  <em class="comment"> *</em>
<a name="46" href="#46">46</a>  <em class="comment"> * $Id: XPathFactory.java 1337 2008-12-03 01:58:10Z elharo $</em>
<a name="47" href="#47">47</a>  <em class="comment"> */</em>
<a name="48" href="#48">48</a>  <strong>package</strong> org.jaxen.expr;
<a name="49" href="#49">49</a>  
<a name="50" href="#50">50</a>  <strong>import</strong> org.jaxen.JaxenException;
<a name="51" href="#51">51</a>  
<a name="52" href="#52">52</a>  <em>/**</em>
<a name="53" href="#53">53</a>  <em> * An abstract factory used to create individual path component objects.</em>
<a name="54" href="#54">54</a>  <em> *</em>
<a name="55" href="#55">55</a>  <em> */</em>
<a name="56" href="#56">56</a>  <strong>public</strong> <strong>interface</strong> <a href="../../../org/jaxen/expr/XPathFactory.html">XPathFactory</a>
<a name="57" href="#57">57</a>  {
<a name="58" href="#58">58</a>      
<a name="59" href="#59">59</a>      <em>/**</em>
<a name="60" href="#60">60</a>  <em>     * Create a new &lt;code>XPathExpr&lt;/code> from an &lt;code>Expr&lt;/code>.</em>
<a name="61" href="#61">61</a>  <em>     * </em>
<a name="62" href="#62">62</a>  <em>     * @param rootExpr the expression wrapped by the resulting XPathExpr</em>
<a name="63" href="#63">63</a>  <em>     * @return an XPathExpr wrapping the root expression</em>
<a name="64" href="#64">64</a>  <em>     * @throws JaxenException</em>
<a name="65" href="#65">65</a>  <em>     */</em>
<a name="66" href="#66">66</a>      <a href="../../../org/jaxen/expr/XPathExpr.html">XPathExpr</a> createXPath( Expr rootExpr ) throws JaxenException;
<a name="67" href="#67">67</a>  
<a name="68" href="#68">68</a>      <em>/**</em>
<a name="69" href="#69">69</a>  <em>     * Create a new path expression.</em>
<a name="70" href="#70">70</a>  <em>     * </em>
<a name="71" href="#71">71</a>  <em>     * @param filterExpr the filter expression that starts the path expression</em>
<a name="72" href="#72">72</a>  <em>     * @param locationPath the location path that follows the filter expression</em>
<a name="73" href="#73">73</a>  <em>     * @return a path expression formed by concatenating the two arguments</em>
<a name="74" href="#74">74</a>  <em>     * @throws JaxenException</em>
<a name="75" href="#75">75</a>  <em>     */</em>
<a name="76" href="#76">76</a>      <a href="../../../org/jaxen/expr/PathExpr.html">PathExpr</a> createPathExpr( FilterExpr filterExpr,
<a name="77" href="#77">77</a>                               <a href="../../../org/jaxen/expr/LocationPath.html">LocationPath</a> locationPath ) throws JaxenException;
<a name="78" href="#78">78</a>  
<a name="79" href="#79">79</a>      <em>/**</em>
<a name="80" href="#80">80</a>  <em>     * Create a new empty relative location path.</em>
<a name="81" href="#81">81</a>  <em>     * </em>
<a name="82" href="#82">82</a>  <em>     * @return an empty relative location path</em>
<a name="83" href="#83">83</a>  <em>     * @throws JaxenException</em>
<a name="84" href="#84">84</a>  <em>     */</em>
<a name="85" href="#85">85</a>      <a href="../../../org/jaxen/expr/LocationPath.html">LocationPath</a> createRelativeLocationPath() throws JaxenException;
<a name="86" href="#86">86</a>  
<a name="87" href="#87">87</a>      <em>/**</em>
<a name="88" href="#88">88</a>  <em>     * Create a new empty absolute location path.</em>
<a name="89" href="#89">89</a>  <em>     * </em>
<a name="90" href="#90">90</a>  <em>     * @return an empty absolute location path</em>
<a name="91" href="#91">91</a>  <em>     * @throws JaxenException</em>
<a name="92" href="#92">92</a>  <em>     */</em>
<a name="93" href="#93">93</a>      <a href="../../../org/jaxen/expr/LocationPath.html">LocationPath</a> createAbsoluteLocationPath() throws JaxenException;
<a name="94" href="#94">94</a>  
<a name="95" href="#95">95</a>      <em>/**</em>
<a name="96" href="#96">96</a>  <em>     * Returns a new XPath Or expression.  </em>
<a name="97" href="#97">97</a>  <em>     * </em>
<a name="98" href="#98">98</a>  <em>     * @param lhs the left hand side of the expression</em>
<a name="99" href="#99">99</a>  <em>     * @param rhs the right hand side of the expression</em>
<a name="100" href="#100">100</a> <em>     * @return &lt;code>&lt;i>lhs&lt;/i> or &lt;i>rhs&lt;/i>&lt;/code></em>
<a name="101" href="#101">101</a> <em>     * @throws JaxenException</em>
<a name="102" href="#102">102</a> <em>     */</em>
<a name="103" href="#103">103</a>     <a href="../../../org/jaxen/expr/BinaryExpr.html">BinaryExpr</a> createOrExpr( Expr lhs,
<a name="104" href="#104">104</a>                              <a href="../../../org/jaxen/expr/Expr.html">Expr</a> rhs ) throws JaxenException;
<a name="105" href="#105">105</a> 
<a name="106" href="#106">106</a>     <em>/**</em>
<a name="107" href="#107">107</a> <em>     * Returns a new XPath And expression.  </em>
<a name="108" href="#108">108</a> <em>     * </em>
<a name="109" href="#109">109</a> <em>     * @param lhs the left hand side of the expression</em>
<a name="110" href="#110">110</a> <em>     * @param rhs the right hand side of the expression</em>
<a name="111" href="#111">111</a> <em>     * @return &lt;code>&lt;i>lhs&lt;/i> and &lt;i>rhs&lt;/i>&lt;/code></em>
<a name="112" href="#112">112</a> <em>     * @throws JaxenException</em>
<a name="113" href="#113">113</a> <em>     */</em>
<a name="114" href="#114">114</a>     <a href="../../../org/jaxen/expr/BinaryExpr.html">BinaryExpr</a> createAndExpr( Expr lhs,
<a name="115" href="#115">115</a>                               <a href="../../../org/jaxen/expr/Expr.html">Expr</a> rhs ) throws JaxenException;
<a name="116" href="#116">116</a> 
<a name="117" href="#117">117</a>     <em>/**</em>
<a name="118" href="#118">118</a> <em>     * Returns a new XPath equality expression.  </em>
<a name="119" href="#119">119</a> <em>     * </em>
<a name="120" href="#120">120</a> <em>     * @param lhs the left hand side of the expression</em>
<a name="121" href="#121">121</a> <em>     * @param rhs the right hand side of the expression</em>
<a name="122" href="#122">122</a> <em>     * @param equalityOperator &lt;code>Operator.EQUALS&lt;/code> or &lt;code>Operator.NOT_EQUALS&lt;/code></em>
<a name="123" href="#123">123</a> <em>     * @return &lt;code>&lt;i>lhs&lt;/i> = &lt;i>rhs&lt;/i>&lt;/code> or &lt;code>&lt;i>lhs&lt;/i> != &lt;i>rhs&lt;/i>&lt;/code></em>
<a name="124" href="#124">124</a> <em>     * @throws JaxenException if the third argument is not </em>
<a name="125" href="#125">125</a> <em>     *                        &lt;code>Operator.EQUALS&lt;/code> or &lt;code>Operator.NOT_EQUALS&lt;/code></em>
<a name="126" href="#126">126</a> <em>     */</em>
<a name="127" href="#127">127</a>     <a href="../../../org/jaxen/expr/BinaryExpr.html">BinaryExpr</a> createEqualityExpr( Expr lhs,
<a name="128" href="#128">128</a>                                    <a href="../../../org/jaxen/expr/Expr.html">Expr</a> rhs,
<a name="129" href="#129">129</a>                                    <strong>int</strong> equalityOperator ) throws JaxenException;
<a name="130" href="#130">130</a> 
<a name="131" href="#131">131</a>     <em>/**</em>
<a name="132" href="#132">132</a> <em>     * Returns a new XPath relational expression.  </em>
<a name="133" href="#133">133</a> <em>     * </em>
<a name="134" href="#134">134</a> <em>     * @param lhs the left hand side of the expression</em>
<a name="135" href="#135">135</a> <em>     * @param rhs the right hand side of the expression</em>
<a name="136" href="#136">136</a> <em>     * @param relationalOperator &lt;code>Operator.LESS_THAN&lt;/code>, &lt;code>Operator.GREATER_THAN&lt;/code>, </em>
<a name="137" href="#137">137</a> <em>     *                           &lt;code>Operator.LESS_THAN_EQUALS&lt;/code>, or &lt;code>Operator.GREATER_THAN_EQUALS&lt;/code></em>
<a name="138" href="#138">138</a> <em>     * @return &lt;code>&lt;i>lhs&lt;/i> &lt;i>relationalOperator&lt;/i> &lt;i>rhs&lt;/i>&lt;/code> or &lt;code>&lt;i>lhs&lt;/i> != &lt;i>rhs&lt;/i>&lt;/code></em>
<a name="139" href="#139">139</a> <em>     * @throws JaxenException if the third argument is not a relational operator constant</em>
<a name="140" href="#140">140</a> <em>     */</em>
<a name="141" href="#141">141</a>     <a href="../../../org/jaxen/expr/BinaryExpr.html">BinaryExpr</a> createRelationalExpr( Expr lhs,
<a name="142" href="#142">142</a>                                      <a href="../../../org/jaxen/expr/Expr.html">Expr</a> rhs,
<a name="143" href="#143">143</a>                                      <strong>int</strong> relationalOperator ) throws JaxenException;
<a name="144" href="#144">144</a> 
<a name="145" href="#145">145</a>     <em>/**</em>
<a name="146" href="#146">146</a> <em>     * Returns a new XPath additive expression.  </em>
<a name="147" href="#147">147</a> <em>     * </em>
<a name="148" href="#148">148</a> <em>     * @param lhs the left hand side of the expression</em>
<a name="149" href="#149">149</a> <em>     * @param rhs the right hand side of the expression</em>
<a name="150" href="#150">150</a> <em>     * @param additiveOperator &lt;code>Operator.ADD&lt;/code> or &lt;code>Operator.SUBTRACT&lt;/code></em>
<a name="151" href="#151">151</a> <em>     * @return &lt;code>&lt;i>lhs&lt;/i> + &lt;i>rhs&lt;/i>&lt;/code> or &lt;code>&lt;i>lhs&lt;/i> - &lt;i>rhs&lt;/i>&lt;/code></em>
<a name="152" href="#152">152</a> <em>     * @throws JaxenException if the third argument is not </em>
<a name="153" href="#153">153</a> <em>     *                        &lt;code>Operator.ADD&lt;/code> or &lt;code>Operator.SUBTRACT&lt;/code></em>
<a name="154" href="#154">154</a> <em>     */</em>
<a name="155" href="#155">155</a>     <a href="../../../org/jaxen/expr/BinaryExpr.html">BinaryExpr</a> createAdditiveExpr( Expr lhs,
<a name="156" href="#156">156</a>                                    <a href="../../../org/jaxen/expr/Expr.html">Expr</a> rhs,
<a name="157" href="#157">157</a>                                    <strong>int</strong> additiveOperator ) throws JaxenException;
<a name="158" href="#158">158</a> 
<a name="159" href="#159">159</a>     <em>/**</em>
<a name="160" href="#160">160</a> <em>     * Returns a new XPath multiplicative expression.  </em>
<a name="161" href="#161">161</a> <em>     * </em>
<a name="162" href="#162">162</a> <em>     * @param lhs the left hand side of the expression</em>
<a name="163" href="#163">163</a> <em>     * @param rhs the right hand side of the expression</em>
<a name="164" href="#164">164</a> <em>     * @param multiplicativeOperator &lt;code>Operator.MULTIPLY&lt;/code>, </em>
<a name="165" href="#165">165</a> <em>     *        &lt;code>Operator.DIV&lt;/code>, or &lt;code>Operator.MOD&lt;/code></em>
<a name="166" href="#166">166</a> <em>     * @return &lt;code>&lt;i>lhs&lt;/i> * &lt;i>rhs&lt;/i>&lt;/code>, &lt;code>&lt;i>lhs&lt;/i> div &lt;i>rhs&lt;/i>&lt;/code>,</em>
<a name="167" href="#167">167</a> <em>     *         or &lt;code>&lt;i>lhs&lt;/i> mod &lt;i>rhs&lt;/i>&lt;/code></em>
<a name="168" href="#168">168</a> <em>     * @throws JaxenException if the third argument is not a multiplicative operator constant</em>
<a name="169" href="#169">169</a> <em>     */</em>
<a name="170" href="#170">170</a>     <a href="../../../org/jaxen/expr/BinaryExpr.html">BinaryExpr</a> createMultiplicativeExpr( Expr lhs,
<a name="171" href="#171">171</a>                                          <a href="../../../org/jaxen/expr/Expr.html">Expr</a> rhs,
<a name="172" href="#172">172</a>                                          <strong>int</strong> multiplicativeOperator ) throws JaxenException;
<a name="173" href="#173">173</a> 
<a name="174" href="#174">174</a>     <em>/**</em>
<a name="175" href="#175">175</a> <em>     * Returns a new XPath unary expression.  </em>
<a name="176" href="#176">176</a> <em>     * </em>
<a name="177" href="#177">177</a> <em>     * @param expr the expression to be negated</em>
<a name="178" href="#178">178</a> <em>     * @param unaryOperator &lt;code>Operator.NEGATIVE&lt;/code></em>
<a name="179" href="#179">179</a> <em>     * @return &lt;code>- &lt;i>expr&lt;/i>&lt;/code> or &lt;code>&lt;i>expr&lt;/i>&lt;/code></em>
<a name="180" href="#180">180</a> <em>     * @throws JaxenException</em>
<a name="181" href="#181">181</a> <em>     */</em>
<a name="182" href="#182">182</a>     <a href="../../../org/jaxen/expr/Expr.html">Expr</a> createUnaryExpr( Expr expr,
<a name="183" href="#183">183</a>                           <strong>int</strong> unaryOperator ) throws JaxenException;
<a name="184" href="#184">184</a> 
<a name="185" href="#185">185</a>     <em>/**</em>
<a name="186" href="#186">186</a> <em>     * Returns a new XPath union expression.  </em>
<a name="187" href="#187">187</a> <em>     * </em>
<a name="188" href="#188">188</a> <em>     * @param lhs the left hand side of the expression</em>
<a name="189" href="#189">189</a> <em>     * @param rhs the right hand side of the expression</em>
<a name="190" href="#190">190</a> <em>     * @return &lt;code>&lt;i>lhs&lt;/i> | &lt;i>rhs&lt;/i>&lt;/code>&lt;/code></em>
<a name="191" href="#191">191</a> <em>     * @throws JaxenException</em>
<a name="192" href="#192">192</a> <em>     */</em>
<a name="193" href="#193">193</a>     <a href="../../../org/jaxen/expr/UnionExpr.html">UnionExpr</a> createUnionExpr( Expr lhs,
<a name="194" href="#194">194</a>                                <a href="../../../org/jaxen/expr/Expr.html">Expr</a> rhs ) throws JaxenException;
<a name="195" href="#195">195</a> 
<a name="196" href="#196">196</a>     <em>/**</em>
<a name="197" href="#197">197</a> <em>     * Returns a new XPath filter expression.  </em>
<a name="198" href="#198">198</a> <em>     * </em>
<a name="199" href="#199">199</a> <em>     * @param expr the basic expression to which the predicate will be added</em>
<a name="200" href="#200">200</a> <em>     * @return the expression with an empty predicate set</em>
<a name="201" href="#201">201</a> <em>     * @throws JaxenException</em>
<a name="202" href="#202">202</a> <em>     */</em>
<a name="203" href="#203">203</a>     <a href="../../../org/jaxen/expr/FilterExpr.html">FilterExpr</a> createFilterExpr( Expr expr ) throws JaxenException;
<a name="204" href="#204">204</a> 
<a name="205" href="#205">205</a>     
<a name="206" href="#206">206</a>     <em>/**</em>
<a name="207" href="#207">207</a> <em>     * Create a new function call expression.</em>
<a name="208" href="#208">208</a> <em>     * </em>
<a name="209" href="#209">209</a> <em>     * @param prefix the namespace prefix of the function</em>
<a name="210" href="#210">210</a> <em>     * @param functionName the local name of the function </em>
<a name="211" href="#211">211</a> <em>     * @return a function with an empty argument list</em>
<a name="212" href="#212">212</a> <em>     * @throws JaxenException</em>
<a name="213" href="#213">213</a> <em>     */</em>
<a name="214" href="#214">214</a>     <a href="../../../org/jaxen/expr/FunctionCallExpr.html">FunctionCallExpr</a> createFunctionCallExpr( String prefix,
<a name="215" href="#215">215</a>                                              String functionName ) throws JaxenException;
<a name="216" href="#216">216</a> 
<a name="217" href="#217">217</a>     <em>/**</em>
<a name="218" href="#218">218</a> <em>     * Create a number expression.</em>
<a name="219" href="#219">219</a> <em>     * </em>
<a name="220" href="#220">220</a> <em>     * @param number the value</em>
<a name="221" href="#221">221</a> <em>     * @return a number expression wrapping that value</em>
<a name="222" href="#222">222</a> <em>     * @throws JaxenException</em>
<a name="223" href="#223">223</a> <em>     */</em>
<a name="224" href="#224">224</a>     <a href="../../../org/jaxen/expr/NumberExpr.html">NumberExpr</a> createNumberExpr( <strong>int</strong> number ) throws JaxenException;
<a name="225" href="#225">225</a> 
<a name="226" href="#226">226</a>     <em>/**</em>
<a name="227" href="#227">227</a> <em>     * Create a number expression.</em>
<a name="228" href="#228">228</a> <em>     * </em>
<a name="229" href="#229">229</a> <em>     * @param number the value</em>
<a name="230" href="#230">230</a> <em>     * @return a number expression wrapping that value</em>
<a name="231" href="#231">231</a> <em>     * @throws JaxenException</em>
<a name="232" href="#232">232</a> <em>     */</em>
<a name="233" href="#233">233</a>     <a href="../../../org/jaxen/expr/NumberExpr.html">NumberExpr</a> createNumberExpr( <strong>double</strong> number ) throws JaxenException;
<a name="234" href="#234">234</a> 
<a name="235" href="#235">235</a>     <em>/**</em>
<a name="236" href="#236">236</a> <em>     * Create a string literal expression.</em>
<a name="237" href="#237">237</a> <em>     * </em>
<a name="238" href="#238">238</a> <em>     * @param literal the value</em>
<a name="239" href="#239">239</a> <em>     * @return a literal expression wrapping that value</em>
<a name="240" href="#240">240</a> <em>     * @throws JaxenException</em>
<a name="241" href="#241">241</a> <em>     */</em>
<a name="242" href="#242">242</a>     <a href="../../../org/jaxen/expr/LiteralExpr.html">LiteralExpr</a> createLiteralExpr( String literal ) throws JaxenException;
<a name="243" href="#243">243</a> 
<a name="244" href="#244">244</a>     <em>/**</em>
<a name="245" href="#245">245</a> <em>     * Create a new variable reference expression.</em>
<a name="246" href="#246">246</a> <em>     * </em>
<a name="247" href="#247">247</a> <em>     * @param prefix the namespace prefix of the variable</em>
<a name="248" href="#248">248</a> <em>     * @param variableName the local name of the variable </em>
<a name="249" href="#249">249</a> <em>     * @return a variable expression</em>
<a name="250" href="#250">250</a> <em>     * @throws JaxenException</em>
<a name="251" href="#251">251</a> <em>     */</em>
<a name="252" href="#252">252</a>     <a href="../../../org/jaxen/expr/VariableReferenceExpr.html">VariableReferenceExpr</a> createVariableReferenceExpr( String prefix,
<a name="253" href="#253">253</a>                                                        String variableName ) throws JaxenException;
<a name="254" href="#254">254</a> 
<a name="255" href="#255">255</a>     <em>/**</em>
<a name="256" href="#256">256</a> <em>     * Create a step with a named node-test.</em>
<a name="257" href="#257">257</a> <em>     * </em>
<a name="258" href="#258">258</a> <em>     * @param axis the axis to create the name-test on</em>
<a name="259" href="#259">259</a> <em>     * @param prefix the namespace prefix for the test</em>
<a name="260" href="#260">260</a> <em>     * @param localName the local name for the test</em>
<a name="261" href="#261">261</a> <em>     * @return a name step</em>
<a name="262" href="#262">262</a> <em>     * @throws JaxenException if &lt;code>axis&lt;/code> is not one of the axis constants????</em>
<a name="263" href="#263">263</a> <em>     */</em>
<a name="264" href="#264">264</a>     <a href="../../../org/jaxen/expr/Step.html">Step</a> createNameStep( <strong>int</strong> axis,
<a name="265" href="#265">265</a>                          String prefix,
<a name="266" href="#266">266</a>                          String localName ) throws JaxenException;
<a name="267" href="#267">267</a> 
<a name="268" href="#268">268</a>     <em>/**</em>
<a name="269" href="#269">269</a> <em>     * Create a step with a node() node-test.</em>
<a name="270" href="#270">270</a> <em>     * </em>
<a name="271" href="#271">271</a> <em>     * @param axis the axis to create the node-test on</em>
<a name="272" href="#272">272</a> <em>     * @return an all node step</em>
<a name="273" href="#273">273</a> <em>     * @throws JaxenException if &lt;code>axis&lt;/code> is not one of the axis constants????</em>
<a name="274" href="#274">274</a> <em>     */</em>
<a name="275" href="#275">275</a>     <a href="../../../org/jaxen/expr/Step.html">Step</a> createAllNodeStep( <strong>int</strong> axis ) throws JaxenException;
<a name="276" href="#276">276</a> 
<a name="277" href="#277">277</a>     <em>/**</em>
<a name="278" href="#278">278</a> <em>     * Create a step with a &lt;code>comment()&lt;/code> node-test.</em>
<a name="279" href="#279">279</a> <em>     * </em>
<a name="280" href="#280">280</a> <em>     * @param axis the axis to create the &lt;code>comment()&lt;/code> node-test on</em>
<a name="281" href="#281">281</a> <em>     * @return a comment node step</em>
<a name="282" href="#282">282</a> <em>     * @throws JaxenException if &lt;code>axis&lt;/code> is not one of the axis constants????</em>
<a name="283" href="#283">283</a> <em>     */</em>
<a name="284" href="#284">284</a>     <a href="../../../org/jaxen/expr/Step.html">Step</a> createCommentNodeStep( <strong>int</strong> axis ) throws JaxenException;
<a name="285" href="#285">285</a> 
<a name="286" href="#286">286</a>     <em>/**</em>
<a name="287" href="#287">287</a> <em>     * Create a step with a &lt;code>text()&lt;/code> node-test.</em>
<a name="288" href="#288">288</a> <em>     * </em>
<a name="289" href="#289">289</a> <em>     * @param axis the axis to create the &lt;code>text()&lt;/code> node-test on</em>
<a name="290" href="#290">290</a> <em>     * @return a text node step</em>
<a name="291" href="#291">291</a> <em>     * @throws JaxenException if &lt;code>axis&lt;/code> is not one of the axis constants????</em>
<a name="292" href="#292">292</a> <em>     */</em>
<a name="293" href="#293">293</a>     <a href="../../../org/jaxen/expr/Step.html">Step</a> createTextNodeStep( <strong>int</strong> axis ) throws JaxenException;
<a name="294" href="#294">294</a> 
<a name="295" href="#295">295</a>     <em>/**</em>
<a name="296" href="#296">296</a> <em>     * Create a step with a &lt;code>processing-instruction()&lt;/code> node-test.</em>
<a name="297" href="#297">297</a> <em>     * </em>
<a name="298" href="#298">298</a> <em>     * @param axis the axis to create the &lt;code>processing-instruction()&lt;/code> node-test on</em>
<a name="299" href="#299">299</a> <em>     * @param name the target to match, may be empty</em>
<a name="300" href="#300">300</a> <em>     * @return a processing instruction node step</em>
<a name="301" href="#301">301</a> <em>     * @throws JaxenException if &lt;code>axis&lt;/code> is not one of the axis constants????</em>
<a name="302" href="#302">302</a> <em>     */</em>
<a name="303" href="#303">303</a>     <a href="../../../org/jaxen/expr/Step.html">Step</a> createProcessingInstructionNodeStep( <strong>int</strong> axis,
<a name="304" href="#304">304</a>                                               String name ) throws JaxenException;
<a name="305" href="#305">305</a> 
<a name="306" href="#306">306</a>     <em>/**</em>
<a name="307" href="#307">307</a> <em>     * Create from the supplied expression.</em>
<a name="308" href="#308">308</a> <em>     * </em>
<a name="309" href="#309">309</a> <em>     * @param predicateExpr the expression to evaluate in the predicate</em>
<a name="310" href="#310">310</a> <em>     * @return a predicate</em>
<a name="311" href="#311">311</a> <em>     * @throws JaxenException</em>
<a name="312" href="#312">312</a> <em>     */</em>
<a name="313" href="#313">313</a>     <a href="../../../org/jaxen/expr/Predicate.html">Predicate</a> createPredicate( Expr predicateExpr ) throws JaxenException;
<a name="314" href="#314">314</a> 
<a name="315" href="#315">315</a>     <em>/**</em>
<a name="316" href="#316">316</a> <em>     * Create an empty predicate set. </em>
<a name="317" href="#317">317</a> <em>     * </em>
<a name="318" href="#318">318</a> <em>     * @return an empty predicate set</em>
<a name="319" href="#319">319</a> <em>     * @throws JaxenException</em>
<a name="320" href="#320">320</a> <em>     */</em>
<a name="321" href="#321">321</a>     <a href="../../../org/jaxen/expr/PredicateSet.html">PredicateSet</a> createPredicateSet() throws JaxenException;
<a name="322" href="#322">322</a>     
<a name="323" href="#323">323</a> }
</pre>
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